US2504040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving mechanism
Assignee: Acrotorque Co
•
Filing: 1945-01-12
•
Granted: 1950-04-11
•
Expires: 1965-01-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Elias Orshansky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:50
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/02; F16H47/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US711663A
Cited
US1077454A
Cited
US1644614A
Cited
GB307779A
Cited
US1740788A
Cited
US1800062A
Cited
US2218405A
Cited
US2219984A
Cited
US2219052A
Cited
US2370675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |